Revin Ivan
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date May 9, 2025 (latest changes May 5, 2025).
267 place (29.57).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (66.67 * 1.60 * 0.86 + 83.33 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.86 + 2.20 * 1 + 1 + 1 + 1) = 41.81021888924058
p2 = (83.33 * 2.20 * 1 + 66.67 * 1.60 * 0.86) / max_coefficients = 17.334384858044164
score = 41.81021888924058 * 0.5 + 17.334384858044164 * 0.5 = 29.572301873642374
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-05 | 267 | 30.47 -> 29.57 |
Akademgorodok: Riichi Mahjong Tournament 2024: 100% -> 86% |
| 2025-05-03 | 261 -> 267 | 30.47 | |
| 2025-05-01 | 266 -> 261 | 30.47 | |
| 2025-04-27 | 261 -> 266 | 30.47 | |
| 2025-04-26 | 259 -> 261 | 30.47 | |
| 2025-04-22 | 263 -> 259 | 30.47 | |
| 2025-04-13 | 263 | 30.47 |
Akademgorodok Riichi Mahjong Tournament 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 83 |
|
23/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk |
| 2 | 67 |
|
15/16 | 86% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |